vis: introduce vis-menu helper script

This serves as a wrapper around dmenu(1) and slmenu(1), by default
the latter is preferred because it also works without an X server.

The program and its default arguments can be configured by means of
the $VIS_MENU and $VIS_MENU_ARGS environment variables.

Eventually we might decide to inlcude a stripped down version of
slmenu in the vis source tree.

1 files changed, 2 insertions, 12 deletions

diff --git a/vis-open b/vis-open
index 39b8717..2b5a9b9 100755
--- a/vis-open
+++ b/vis-open
@@ -1,8 +1,7 @@
 #!/bin/sh
 
 PATTERN="."
-[ -z "$VIS_MENU" ] && VIS_MENU="slmenu"
-[ -z "$VIS_MENU_ARGS" ] && VIS_MENU_ARGS="-b"
+VIS_MENU_ARGS=""
 
 while [ $# -gt 0 ]; do
 	case "$1" in
@@ -22,20 +21,11 @@ while [ $# -gt 0 ]; do
 	esac
 done
 
-if ! type "$VIS_MENU" >/dev/null 2>&1; then
-	if [ ! -z "$DISPLAY" ] && type "dmenu" >/dev/null 2>&1; then
-		VIS_MENU="dmenu"
-	else
-		echo "Neither slmenu nor dmenu found" >&2
-		exit 1
-	fi
-fi
-
 DIR=""
 [ ! -z "$PATTERN" -a "$PATTERN" != "." -a -d "$PATTERN" ] && DIR="$PATTERN"
 
 while true; do
-	SEL=$({ echo ..; ls -1 $PATTERN 2>/dev/null || echo $PATTERN; } | $VIS_MENU $VIS_MENU_ARGS)
+	SEL=$({ echo ..; ls -1 $PATTERN 2>/dev/null || echo $PATTERN; } | vis-menu $VIS_MENU_ARGS)
 	[ -z "$SEL" ] && exit 1
 	[ ! -z "$DIR" ] && SEL="$DIR/$SEL"
 	if [ -d "$SEL" ]; then